AD NUMBER: 2009-12-01
MANUFACTURER: Bell Helicopter Textron, Inc.
Model 47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47G-2A, 47G-2A-1,
47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5,
47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
SUBJECT: Airworthiness Directive 2009-12-01